IB 4893 then CM 1472 at San Francisco
Dallas-Fort Worth → San Francisco → Seattle
Timetable, San Francisco time
22:31IB 4893 from Dallas-Fort Worth at the gate
21:05CM 1472 to Seattle leaves the gatealso UA 5579
22 h 34 apart on the timetable, overnight
CM 1472 leaves 22 h 34 after IB 4893 arrives on the timetable: more than half a day, so not a connection we count.